Mercedes Benz Truck G 550 Diagnostic Trouble Codes 0449

Mercedes-Benz Mercedes Benz OEM Parts Mercedes Benz OE Replacement Parts

0449
The electronic analysis system for the O2 sensor in the engine control unit is defective. (P064D)
Possible cause:
- Test control unit.
Affected functions:
- Engine diagnosis
- Exhaust system
-------------------------------------------------
Test 1: Test control unit.
1. Test control unit.
Test control unit.
Possible cause and remedy
- Erase fault memory and start engine.
- Reread fault memory of control unit N3/10 (ME-SFI [ME] control unit).If fault reoccurs, replace component N3/10 (ME-SFI [ME] control
unit).
Read coding and transfer to the new control unit.End of test